IT1219909B - Apparecchio elaboratore di immagini per comprimere dati di immagine - Google Patents

Apparecchio elaboratore di immagini per comprimere dati di immagine

Info

Publication number
IT1219909B
IT1219909B IT47822/88A IT4782288A IT1219909B IT 1219909 B IT1219909 B IT 1219909B IT 47822/88 A IT47822/88 A IT 47822/88A IT 4782288 A IT4782288 A IT 4782288A IT 1219909 B IT1219909 B IT 1219909B
Authority
IT
Italy
Prior art keywords
processing machine
image data
image processing
compressing
image
Prior art date
Application number
IT47822/88A
Other languages
English (en)
Italian (it)
Other versions
IT8847822A0 (it
Inventor
Ken Onodera
Original Assignee
Canon Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62083007A external-priority patent/JPS63249193A/ja
Priority claimed from JP62083008A external-priority patent/JPH081553B2/ja
Application filed by Canon Kk filed Critical Canon Kk
Publication of IT8847822A0 publication Critical patent/IT8847822A0/it
Application granted granted Critical
Publication of IT1219909B publication Critical patent/IT1219909B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/20—Contour coding, e.g. using detection of edges
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/182—Extraction of features or characteristics of the image by coding the contour of the pattern
    • G06V30/1823—Extraction of features or characteristics of the image by coding the contour of the pattern using vector-coding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Generation (AREA)
  • Controls And Circuits For Display Device (AREA)
IT47822/88A 1987-04-06 1988-04-06 Apparecchio elaboratore di immagini per comprimere dati di immagine IT1219909B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62083007A JPS63249193A (ja) 1987-04-06 1987-04-06 画像デ−タの圧縮方式
JP62083008A JPH081553B2 (ja) 1987-04-06 1987-04-06 画像データの圧縮方式

Publications (2)

Publication Number Publication Date
IT8847822A0 IT8847822A0 (it) 1988-04-06
IT1219909B true IT1219909B (it) 1990-05-24

Family

ID=26424071

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47822/88A IT1219909B (it) 1987-04-06 1988-04-06 Apparecchio elaboratore di immagini per comprimere dati di immagine

Country Status (4)

Country Link
DE (1) DE3811396A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2613508B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2203613B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1219909B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2806961B2 (ja) * 1989-02-22 1998-09-30 株式会社リコー 画像符号化方法
US5233671A (en) * 1989-02-22 1993-08-03 Ricoh Company Ltd. Image coding method for coding characters using a modified Bezier curve
KR930003126B1 (ko) * 1989-04-20 1993-04-19 가부시기가이샤 도시바 곡선정합에 있어서 형상을 표시하는 직선쇼트벡터의 접속상태를 판정하는 방법 및 시스템
JP2747002B2 (ja) * 1989-04-20 1998-05-06 株式会社東芝 直線ショートベクトル列によって表された形状の直線部と曲線部の切り分け方法
JPH03121575A (ja) * 1989-10-04 1991-05-23 Stanley Electric Co Ltd 曲線近似方法および曲線の記憶方法
JP2774653B2 (ja) * 1990-03-14 1998-07-09 キヤノン株式会社 文字処理装置
FR2662041A1 (fr) * 1990-05-11 1991-11-15 Metzger Gerard Procede et dispositif de transmission d'images.
EP0479496A3 (en) * 1990-09-28 1993-03-31 Xerox Corporation High speed graphic image generation using multiple steppers
JP2961121B2 (ja) * 1990-10-17 1999-10-12 セイコープレシジョン株式会社 曲線近似装置
JP2522107B2 (ja) * 1990-10-17 1996-08-07 株式会社精工舎 曲線近似方法
EP0604685A1 (en) * 1992-12-28 1994-07-06 Océ-Nederland B.V. Method of modifying the fatness of characters
US5594852A (en) * 1994-08-17 1997-01-14 Laser Products, Inc. Method for operating a curve forming device
US5978512A (en) * 1997-01-21 1999-11-02 Daewoo Electronics Co., Ltd Polygonal approximation method and apparatus for use in a contour encoding system
KR100239592B1 (ko) * 1997-01-21 2000-01-15 전주범 윤곽선 부호화방법 및 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4674058A (en) * 1981-12-07 1987-06-16 Dicomed Corporation Method and apparatus for flexigon representation of a two dimensional figure
GB2147474B (en) * 1983-10-03 1987-05-07 Shaken Kk Method of processing character or pictorial image data
DE3429110A1 (de) * 1984-08-03 1986-02-13 H. Berthold Ag, 1000 Berlin Verfahren zum kodieren und dekodieren von schriftzeichen
US4674059A (en) * 1984-09-10 1987-06-16 Allied Corporation Method and apparatus for generating a set of signals representing a curve

Also Published As

Publication number Publication date
GB8807783D0 (en) 1988-05-05
IT8847822A0 (it) 1988-04-06
GB2203613A (en) 1988-10-19
GB2203613B (en) 1992-01-02
DE3811396C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-11-07
FR2613508A1 (fr) 1988-10-07
DE3811396A1 (de) 1988-10-27
FR2613508B1 (fr) 1996-02-09

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970415